Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 + 63 by rounding each number to the nearest 10: ______
- Estimate 76 − 84 by rounding each number to the nearest 10: ______
- Estimate 84 + 57 by rounding each number to the nearest 10: ______
- Estimate 47 + 66 by rounding each number to the nearest 10: ______
- Estimate 56 + 87 by rounding each number to the nearest 10: ______
- Estimate 51 + 56 by rounding each number to the nearest 10: ______
- Estimate 23 − 78 by rounding each number to the nearest 10: ______
- Estimate 54 + 82 by rounding each number to the nearest 10: ______
- Estimate 64 − 35 by rounding each number to the nearest 10: ______
- Estimate 38 + 34 by rounding each number to the nearest 10: ______
- Estimate 29 − 25 by rounding each number to the nearest 10: ______
- Estimate 79 − 76 by rounding each number to the nearest 10: ______
- Estimate 87 − 36 by rounding each number to the nearest 10: ______
- Estimate 82 + 34 by rounding each number to the nearest 10: ______
- Estimate 27 + 54 by rounding each number to the nearest 10: ______
- Estimate 24 + 67 by rounding each number to the nearest 10: ______
- Estimate 72 + 26 by rounding each number to the nearest 10: ______
- Estimate 58 − 34 by rounding each number to the nearest 10: ______
- Estimate 40 + 29 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______